ns2.cableone.net has no CNAME records.
Question and response
Question
dig ns2.cableone.net. NS
Answer
The response has no answer records.
Authority
cableone.net. 133 SOA ns1.cableone.net. tech.cableone.net. 1899 300 300 300 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0